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Recognised as Colour

#4B4B80

  • #4B4B80
  • Blue
  • Dark
  • Nearest: Dark slateblue

#4B4B80 is a blue with RGB values 75, 75, 128 and HSL 240°, 26%, 40%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#4B4B80#4B4B80
HEX#4B4B80
RGBrgb(75, 75, 128)
RGB (0–1)0.2941, 0.2941, 0.502
RGB percentages29.4%, 29.4%, 50.2%
HSLhsl(240, 26.1%, 39.8%)
HSV / HSBhsv(240, 41.4%, 50.2%)
CMYK41.4%, 41.4%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,934,528
CSS custom property--colour: #4B4B80;

Brightness & contrast

Relative luminance0.08087WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.02:1
Contrast with white8.02:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#B4B47F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#395282no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#364F7Fno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#3B555Fno blue cones; rare, and affects men and women equally; ΔE 29.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.02:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.2Steel blue · ΔE 26Slate grey · ΔE 31.5Midnight blue · ΔE 32Light slate grey · ΔE 33.2Rebecca purple · ΔE 33.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#80804B
Analogous#4B6680, #664B80
Triadic#804B4B, #4B804B
Split complementary#80664B, #66804B
Tetradic#804B66, #80804B, #4B8066

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEBED9
Lighter +30%#9E9EC6
Lighter +20%#7E7EB3
Lighter +10%#5E5EA0
Darker −10%#383860
Darker −20%#252540
Darker −30%#121220
Darker −40%#000000
More saturated +25%#323299
Less saturated −25%#646467

Channel breakdown

R75
G75
B128
Red75 (29.4%)
Green75 (29.4%)
Blue128 (50.2%)
Hue240°
Saturation (HSL)26.11%
Lightness39.8%
Dominant channelBlue
Hex per channelR 4B · G 4B · B 80

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Every value on this page was computed from “4b4b80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.